St. Anthony Flag

St. Anthony

County:
Fremont County
County Seat:
Yes
Area (mi²):
1.925
State:
Idaho

St. Anthony is a city located in Fremont County, Idaho. St. Anthony has a 2026 population of 4,093. It is also the county seat of Fremont County. St. Anthony is currently growing at a rate of 1.19% annually and its population has increased by 10.41% since the most recent census, which recorded a population of 3,707 in 2020.

4.1K
Total Population
2,126
Density (mi²)
48 1.19%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)